Novel CPW-Fed Gamma-Shaped Circularly Polarized Slot Antenna for UWB Applications

被引：1

作者：

Choi, Junmo ^{[1
]}

Oh, Youngkyun ^{[2
]}

Choi, Jaehoon ^{[1
]}

Jung, Kyung-Young ^{[1
]}

机构：

[1] Hanyang Univ, Dept Elect Engn, Seoul, South Korea

[2] WINNERCOM, Yongin, South Korea

来源：

JOURNAL OF ELECTROMAGNETIC ENGINEERING AND SCIENCE | 2024年 / 24卷 / 03期

关键词：

UWB; Circular Polarization; CPW-Fed Antenna; Time-Domain Analysis; DESIGN;

D O I：

10.26866/jees.2024.3.l.22

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In recent years, ultra-wideband (UWB) technology has garnered significant attention for enabling exceptional precision in applications, such as positioning and radar systems. This letter presents a novel coplanar waveguide-fed circularly polarized slot antenna specifically designed for UWB applications. The proposed antenna incorporates innovative elements, including an asymmetric ground equipped with gamma -shaped slits for circular polarization and a gamma -shaped monopole to enhance reflection coefficients. The overall size of the proposed antenna is 18 mm x 18 mm x 1.2 mm (0.37 lambda 0 x 0.37 lambda 0 x 0.02 lambda 0 ). The measurement results demonstrate a reflection coefficient that is consistently below -10 dB from 6.10 GHz to 10 GHz, and an axial ratio below 3 dB from 5.70 GHz to 8.50 GHz. Furthermore, the radiation patterns closely match the simulation results. Additionally, this study analyzes antenna and system fidelity factors using time -domain analysis.

引用

页码：327 / 329

页数：3

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